{"product_id":"spi-cei-0-21-by2537-interface-protection-system-grid-protection-relay-230-400-v-ac-cei-0-21-compliant-solar-generator-safety-device","title":"SPI CEI 0-21 BY2537 Interface Protection System | Grid Protection Relay | 230\/400 V AC | CEI 0-21 Compliant | Solar \/ Generator Safety Device","description":"\u003cp data-end=\"1088\" data-start=\"660\"\u003eThe \u003cstrong data-end=\"704\" data-start=\"664\"\u003eBy Tronic S.r.l. SPI CEI 0-21 BY2537\u003c\/strong\u003e is a professional \u003cstrong data-end=\"793\" data-start=\"723\"\u003eInterface Protection System (Sistema di Protezione di Interfaccia)\u003c\/strong\u003e fully compliant with the \u003cstrong data-end=\"840\" data-start=\"819\"\u003eCEI 0-21 standard\u003c\/strong\u003e for low-voltage grid-connected power generators.\u003cbr data-end=\"892\" data-start=\"889\"\u003eIt continuously monitors network parameters — voltage, frequency, and phase — and safely disconnects the photovoltaic or generator system from the grid whenever abnormal conditions are detected.\u003c\/p\u003e\n\u003cp data-end=\"1358\" data-start=\"1090\"\u003eDesigned and manufactured in Italy by \u003cstrong data-end=\"1148\" data-start=\"1128\"\u003eBy Tronic S.r.l.\u003c\/strong\u003e, this reliable grid protection relay ensures compliance with Italian energy regulations and guarantees maximum operational safety for both \u003cstrong data-end=\"1322\" data-start=\"1288\"\u003erenewable energy installations\u003c\/strong\u003e and \u003cstrong data-end=\"1355\" data-start=\"1327\"\u003eindustrial power systems\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"1449\" data-start=\"1360\"\u003e🔄 \u003cstrong data-end=\"1377\" data-start=\"1363\"\u003eCondition:\u003c\/strong\u003e Used\u003cbr data-end=\"1405\" data-start=\"1402\"\u003e🛠 \u003cstrong data-end=\"1421\" data-start=\"1408\"\u003eWarranty:\u003c\/strong\u003e 6 months by Green Energy\u003c\/p\u003e\n\u003cp data-end=\"1485\" data-start=\"1451\"\u003e⚙️ \u003cstrong data-end=\"1483\" data-start=\"1454\"\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1532\" data-start=\"1488\"\u003e\n\u003cstrong data-end=\"1505\" data-start=\"1488\"\u003eManufacturer:\u003c\/strong\u003e By Tronic S.r.l. (Italy)\u003c\/li\u003e\n\u003cli data-end=\"1567\" data-start=\"1535\"\u003e\n\u003cstrong data-end=\"1545\" data-start=\"1535\"\u003eModel:\u003c\/strong\u003e SPI CEI 0-21 BY2537\u003c\/li\u003e\n\u003cli data-end=\"1651\" data-start=\"1570\"\u003e\n\u003cstrong data-end=\"1583\" data-start=\"1570\"\u003eFunction:\u003c\/strong\u003e Interface Protection Relay (Sistema di Protezione di Interfaccia)\u003c\/li\u003e\n\u003cli data-end=\"1730\" data-start=\"1654\"\u003e\n\u003cstrong data-end=\"1669\" data-start=\"1654\"\u003eCompliance:\u003c\/strong\u003e CEI 0-21 standard (for LV generators ≤ 20 kW per inverter)\u003c\/li\u003e\n\u003cli data-end=\"1775\" data-start=\"1733\"\u003e\n\u003cstrong data-end=\"1753\" data-start=\"1733\"\u003eNominal Voltage:\u003c\/strong\u003e 230\/400 V AC, 50 Hz\u003c\/li\u003e\n\u003cli data-end=\"1806\" data-start=\"1778\"\u003e\u003cstrong data-end=\"1804\" data-start=\"1778\"\u003eMonitoring Parameters:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-end=\"1849\" data-start=\"1811\"\u003eOvervoltage (59) \/ Undervoltage (27)\u003c\/li\u003e\n\u003cli data-end=\"1898\" data-start=\"1854\"\u003eOverfrequency (81H) \/ Underfrequency (81L)\u003c\/li\u003e\n\u003cli data-end=\"1936\" data-start=\"1903\"\u003ePhase failure \/ Phase imbalance\u003c\/li\u003e\n\u003cli data-end=\"1995\" data-start=\"1939\"\u003e\n\u003cstrong data-end=\"1954\" data-start=\"1939\"\u003eTrip Delay:\u003c\/strong\u003e Configurable per CEI 0-21 requirements\u003c\/li\u003e\n\u003cli data-end=\"2057\" data-start=\"1998\"\u003e\n\u003cstrong data-end=\"2016\" data-start=\"1998\"\u003eRelay Outputs:\u003c\/strong\u003e 2 configurable contacts (trip \/ alarm)\u003c\/li\u003e\n\u003cli data-end=\"2113\" data-start=\"2060\"\u003e\n\u003cstrong data-end=\"2079\" data-start=\"2060\"\u003eUser Interface:\u003c\/strong\u003e LED indication and test buttons\u003c\/li\u003e\n\u003cli data-end=\"2148\" data-start=\"2116\"\u003e\n\u003cstrong data-end=\"2137\" data-start=\"2116\"\u003eAuxiliary Supply:\u003c\/strong\u003e 230 V AC\u003c\/li\u003e\n\u003cli data-end=\"2190\" data-start=\"2151\"\u003e\n\u003cstrong data-end=\"2164\" data-start=\"2151\"\u003eMounting:\u003c\/strong\u003e DIN-rail modular design\u003c\/li\u003e\n\u003cli data-end=\"2241\" data-start=\"2193\"\u003e\n\u003cstrong data-end=\"2214\" data-start=\"2193\"\u003eProtection Class:\u003c\/strong\u003e IP20 front, IP40 housing\u003c\/li\u003e\n\u003cli data-end=\"2288\" data-start=\"2244\"\u003e\n\u003cstrong data-end=\"2270\" data-start=\"2244\"\u003eOperating Temperature:\u003c\/strong\u003e -20 °C … +60 °C\u003c\/li\u003e\n\u003cli data-end=\"2341\" data-start=\"2291\"\u003e\n\u003cstrong data-end=\"2310\" data-start=\"2291\"\u003eCertifications:\u003c\/strong\u003e CE, CEI 0-21, RoHS compliant\u003c\/li\u003e\n\u003cli data-end=\"2371\" data-start=\"2344\"\u003e\n\u003cstrong data-end=\"2355\" data-start=\"2344\"\u003eOrigin:\u003c\/strong\u003e Made in Italy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2776\" data-start=\"2373\"\u003e📌 \u003cstrong data-end=\"2393\" data-start=\"2376\"\u003eKey Features:\u003c\/strong\u003e\u003cbr data-end=\"2396\" data-start=\"2393\"\u003e✔️ Designed and certified according to CEI 0-21 for Italian grid connection\u003cbr data-end=\"2474\" data-start=\"2471\"\u003e✔️ Automatic disconnection under voltage or frequency anomalies\u003cbr data-end=\"2540\" data-start=\"2537\"\u003e✔️ Integrated alarm relays for system protection\u003cbr data-end=\"2591\" data-start=\"2588\"\u003e✔️ Compact modular construction for control panel installation\u003cbr data-end=\"2656\" data-start=\"2653\"\u003e✔️ Trusted Italian manufacturing by By Tronic S.r.l.\u003cbr data-end=\"2711\" data-start=\"2708\"\u003e✔️ Ideal for solar PV, wind, and generator interface protection\u003c\/p\u003e\n\u003cp data-end=\"3019\" data-start=\"2778\"\u003e🚀 Stay compliant and protected with the \u003cstrong data-end=\"2879\" data-start=\"2819\"\u003eBy Tronic SPI CEI 0-21 BY2537 Interface Protection Relay\u003c\/strong\u003e — a certified Italian-made solution\u003c\/p\u003e","brand":"By Tronic S.r.l.","offers":[{"title":"Default Title","offer_id":52707029942605,"sku":null,"price":280.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3274\/3245\/files\/rn-image_picker_lib_temp_b38bab94-25a6-4814-b462-96e31480ba8d.jpg?v=1762275909","url":"https:\/\/greenenergy-repair.com\/pl\/products\/spi-cei-0-21-by2537-interface-protection-system-grid-protection-relay-230-400-v-ac-cei-0-21-compliant-solar-generator-safety-device","provider":"Green Energy","version":"1.0","type":"link"}